darkcomet | fe7fea0f5adc8bf465ce6cfc42be84e7d89573b591e885482d6c17ae0d9ac8e2

Analysis

max time kernel
95s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 06:03

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General

Target

eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Size

836KB
MD5

eab9317a8b202c132c78322aa06d798f
SHA1

57fd3808f9669a9c73a25b4fb7e20b18069e02ed
SHA256

fe7fea0f5adc8bf465ce6cfc42be84e7d89573b591e885482d6c17ae0d9ac8e2
SHA512

eb189ef350dc530a5f87dc6cf8ddb955969b101a386737eec441ce59c400e030cc62b9b0f0bfe064c8ae7ca0de692a4a3257772b4b398c933a64c4295b077b3b
SSDEEP

12288:hINizheL8lCSm4ifvE/NAxukDqihzVT/DiKD:hD8LMDcvE/oDJVjDiE

Score

10^/10

darkcomet discovery persistence rat trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2844	msdcsc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Program crash 15 IoCs

pid	pid_target	Process	procid_target
2044	3592	WerFault.exe	82
428	3592	WerFault.exe	82
1196	3592	WerFault.exe	82
1328	3592	WerFault.exe	82
1516	3592	WerFault.exe	82
348	3592	WerFault.exe	82
3256	3592	WerFault.exe	82
3136	3592	WerFault.exe	82
3564	2844	WerFault.exe	100
856	3592	WerFault.exe	82
1936	2844	WerFault.exe	100
3060	2844	WerFault.exe	100
3368	3560	WerFault.exe	108
2680	3560	WerFault.exe	108
1028	2844	WerFault.exe	100

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2844 set thread context of 3560	2844	msdcsc.exe	108

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeSecurityPrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeBackupPrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeRestorePrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeShutdownPrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeDebugPrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeUndockPrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: 33	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: 34	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: 35	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: 36	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2844	msdcsc.exe
Token: SeSecurityPrivilege	2844	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2844	msdcsc.exe
Token: SeLoadDriverPrivilege	2844	msdcsc.exe
Token: SeSystemProfilePrivilege	2844	msdcsc.exe
Token: SeSystemtimePrivilege	2844	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2844	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2844	msdcsc.exe
Token: SeCreatePagefilePrivilege	2844	msdcsc.exe
Token: SeBackupPrivilege	2844	msdcsc.exe
Token: SeRestorePrivilege	2844	msdcsc.exe
Token: SeShutdownPrivilege	2844	msdcsc.exe
Token: SeDebugPrivilege	2844	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2844	msdcsc.exe
Token: SeChangeNotifyPrivilege	2844	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2844	msdcsc.exe
Token: SeUndockPrivilege	2844	msdcsc.exe
Token: SeManageVolumePrivilege	2844	msdcsc.exe
Token: SeImpersonatePrivilege	2844	msdcsc.exe
Token: SeCreateGlobalPrivilege	2844	msdcsc.exe
Token: 33	2844	msdcsc.exe
Token: 34	2844	msdcsc.exe
Token: 35	2844	msdcsc.exe
Token: 36	2844	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	3560	iexplore.exe
Token: SeSecurityPrivilege	3560	iexplore.exe
Token: SeTakeOwnershipPrivilege	3560	iexplore.exe
Token: SeLoadDriverPrivilege	3560	iexplore.exe
Token: SeSystemProfilePrivilege	3560	iexplore.exe
Token: SeSystemtimePrivilege	3560	iexplore.exe
Token: SeProfSingleProcessPrivilege	3560	iexplore.exe
Token: SeIncBasePriorityPrivilege	3560	iexplore.exe
Token: SeCreatePagefilePrivilege	3560	iexplore.exe
Token: SeBackupPrivilege	3560	iexplore.exe
Token: SeRestorePrivilege	3560	iexplore.exe
Token: SeShutdownPrivilege	3560	iexplore.exe
Token: SeDebugPrivilege	3560	iexplore.exe
Token: SeSystemEnvironmentPrivilege	3560	iexplore.exe
Token: SeChangeNotifyPrivilege	3560	iexplore.exe
Token: SeRemoteShutdownPrivilege	3560	iexplore.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3592 wrote to memory of 2844	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe	100
PID 3592 wrote to memory of 2844	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe	100
PID 3592 wrote to memory of 2844	3592	eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe	100
PID 2844 wrote to memory of 3560	2844	msdcsc.exe	108
PID 2844 wrote to memory of 3560	2844	msdcsc.exe	108
PID 2844 wrote to memory of 3560	2844	msdcsc.exe	108
PID 2844 wrote to memory of 3560	2844	msdcsc.exe	108
PID 2844 wrote to memory of 3560	2844	msdcsc.exe	108

C:\Users\Admin\AppData\Local\Temp\eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eab9317a8b202c132c78322aa06d798f_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3592
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 388
  2⤵
  - Program crash
  PID:2044
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 728
  2⤵
  - Program crash
  PID:428
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 976
  2⤵
  - Program crash
  PID:1196
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 992
  2⤵
  - Program crash
  PID:1328
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 1128
  2⤵
  - Program crash
  PID:1516
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 1124
  2⤵
  - Program crash
  PID:348
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 1128
  2⤵
  - Program crash
  PID:3256
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 1032
  2⤵
  - Program crash
  PID:3136
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2844
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2844 -s 388
    3⤵
    - Program crash
    PID:3564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2844 -s 852
    3⤵
    - Program crash
    PID:1936
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3560
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 392
      4⤵
      Program crash
      PID:3368
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 152
      4⤵
      Program crash
      PID:2680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2844 -s 852
    3⤵
    - Program crash
    PID:3060
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2844 -s 140
    3⤵
    - Program crash
    PID:1028
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 140
  2⤵
  - Program crash
  PID:856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3592 -ip 3592
1⤵
PID:4928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3592 -ip 3592
1⤵
PID:2436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3592 -ip 3592
1⤵
PID:3344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3592 -ip 3592
1⤵
PID:2516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3592 -ip 3592
1⤵
PID:2684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3592 -ip 3592
1⤵
PID:2460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3592 -ip 3592
1⤵
PID:4160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3592 -ip 3592
1⤵
PID:4044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3592 -ip 3592
1⤵
PID:708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2844 -ip 2844
1⤵
PID:808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2844 -ip 2844
1⤵
PID:4436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2844 -ip 2844
1⤵
PID:4316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3560 -ip 3560
1⤵
PID:944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3560 -ip 3560
1⤵
PID:1944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2844 -ip 2844
1⤵
PID:1928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
836KB

MD5
eab9317a8b202c132c78322aa06d798f

SHA1
57fd3808f9669a9c73a25b4fb7e20b18069e02ed

SHA256
fe7fea0f5adc8bf465ce6cfc42be84e7d89573b591e885482d6c17ae0d9ac8e2

SHA512
eb189ef350dc530a5f87dc6cf8ddb955969b101a386737eec441ce59c400e030cc62b9b0f0bfe064c8ae7ca0de692a4a3257772b4b398c933a64c4295b077b3b

Download Submit
memory/2844-23-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/2844-21-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/2844-28-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/2844-26-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/2844-22-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/2844-25-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/2844-24-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/3592-20-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/3592-6-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/3592-5-0x000000000048C000-0x000000000048E000-memory.dmp

Filesize
8KB

Download
memory/3592-4-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/3592-0-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/3592-7-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/3592-1-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/3592-2-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/3592-3-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads